Question

LCD, For 1/14 and 5/6 , and for 7/12 ?

please help.

Answer 1

14 = 2 x 7
6 = 2 x 3
12 = 2 x 2 x 3

so LCD will be found by taking highest power of each factor

LCD = 2 x 2 x 3 x 7 = 84

Do u know the ladder method of finding LCD